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FRI0087 Low rates of radiographic progression of structural joint damage over 2 years of baricitinib treatment in patients with rheumatoid arthritis
  1. D van der Heijde1,
  2. M Schiff2,
  3. Y Tanaka3,
  4. R Klar4,
  5. L Xie5,
  6. G Meszaros5,
  7. T Ishii5,
  8. M Casillas5,
  9. R Ortmann5,
  10. P Emery6
  1. 1Leiden University Medical Center, Leiden, Netherlands
  2. 2University of Colorado, Denver, United States
  3. 3School of Medicine, Kitakyushu, Japan
  4. 4Quintiles IMS Holdings, Inc, Durham
  5. 5Eli Lilly and Company, Indianapolis, United States
  6. 6University of Leeds, Leeds, United Kingdom


Background In ph3 studies, baricitinib (bari) inhibited progression of radiographic joint damage for up to 1 year in patients (pts) with active rheumatoid arthritis (RA) who were DMARD-naïve or who had an inadequate response to conventional synthetic DMARDs (csDMARD-IR).

Objectives To evaluate radiographic progression of structural joint damage in pts with RA over 2 years of treatment.

Methods Upon completion of a bari ph 3 study, pts could enter a long-term extension (LTE) study, in which they continued to receive the same bari dose as in the original ph3 study. At 52 wks, DMARD-naïve pts receiving methotrexate (MTX) or combination therapy (bari 4mg + MTX) were switched to bari 4mg monotherapy; MTX-IR pts receiving adalimumab (ADA) were switched to bari 4mg on background MTX. At 24 wks, csDMARD-IR pts receiving placebo (PBO) were switched to 4mg on background csDMARD. Radiographs at baseline, year 1 and year 2 were scored using the van der Heijde modified total sharp score (mTSS). Data are least squares mean change from baseline using mixed model repeated measures on observed data.

Results Of all pts randomised, 82.5% entered the LTE, and 87.6% of those could be entered in this analysis. At year 2, progression was significantly lower with initial bari (including monotherapy) vs. initial MTX in DMARD-naïve pts. In MTX/csDMARD-IR pts, progression with initial bari was significantly lower than initial PBO, and similar to initial ADA.

Conclusions Treatment with once-daily oral bari resulted in low rates of radiographic progression for up to 2 years. Pts starting with bari showed progression that was significantly less than those starting with PBO or MTX, and comparable to those starting with ADA. The most robust benefit was seen with the 4mg dose.

Disclosure of Interest D. van der Heijde Consultant for: AbbVie, Amgen, Astellas, AstraZeneca, BMS, Boeringer Ingelheim, Celgene, Daiichi Sankyo, Eli Lilly and Company, Galapagos, Gilead, Janssen, Merck, Novartis, Pfizer, Regeneron, Roche, Sanofi-Aventis, UCB, Employee of: Director of Imaging Rheumatology bv, M. Schiff Consultant for: Abbvie, BMS, Eli Lilly and Company, Johnson & Johnson, Speakers bureau: Abbvie, Y. Tanaka Grant/research support from: Mitsubishi-Tanabe, Takeda, Daiichi-Sankyo, Chugai, BMS, MSD, Astellas, Abbvie, Eisai, Speakers bureau: Abbvie, Chugai, Daiichi-Sankyo, BMS, Mitsubishi-Tanabe, Astellas, Takeda, Pfizer, Teijin, Asahi-kasei, YL Biologics, Sanofi, Janssen, Eli Lilly and Company, GlaxoSmithKline, R. Klar Employee of: Quintiles IMS Holdings, Inc., L. Xie Employee of: Eli Lilly and Company, G. Meszaros Employee of: Eli Lilly and Company, T. Ishii Employee of: Eli Lilly and Company, M. Casillas Employee of: Eli Lilly and Company, R. Ortmann Employee of: Eli Lilly and Company, P. Emery Consultant for: Pfizer, MSD, Abbvie, BMS, UCB, Roche, Novartis, Samsung, Sandoz, Eli Lilly and Company

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